[INFO] fetching crate artifact 0.2.4...
[INFO] testing artifact-0.2.4 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate artifact 0.2.4 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate artifact 0.2.4 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate artifact 0.2.4
[INFO] finished tweaking crates.io crate artifact 0.2.4
[INFO] tweaked toml for crates.io crate artifact 0.2.4 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] efd106ffbf8fb1bad6e1269363f113ad08f4d0e8dbe1cc590249205efe612f27
[INFO] running `Command { std: "docker" "start" "-a" "efd106ffbf8fb1bad6e1269363f113ad08f4d0e8dbe1cc590249205efe612f27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "efd106ffbf8fb1bad6e1269363f113ad08f4d0e8dbe1cc590249205efe612f27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efd106ffbf8fb1bad6e1269363f113ad08f4d0e8dbe1cc590249205efe612f27", kill_on_drop: false }`
[INFO] [stdout] efd106ffbf8fb1bad6e1269363f113ad08f4d0e8dbe1cc590249205efe612f27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a936ddd02a0b2a656ef8c5f249edf7192c9e8c61627537ebe714359535a8d5b2
[INFO] running `Command { std: "docker" "start" "-a" "a936ddd02a0b2a656ef8c5f249edf7192c9e8c61627537ebe714359535a8d5b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling lazy_static v0.1.16
[INFO] [stderr]    Compiling artifact v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/logger.rs:68:41
[INFO] [stdout]    |
[INFO] [stdout] 68 |   pub fn set_default_formatter(fmtr:Box<MessageFormatter>) {
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageFormatter`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/logger.rs:152:43
[INFO] [stdout]     |
[INFO] [stdout] 152 |   pub fn set_format(&self, formatter: Box<MessageFormatter>) {
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageFormatter`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/format.rs:86:43
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub fn new_basic_format_instance() -> Box<MessageFormatter> {
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageFormatter`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/internal/task.rs:62:28
[INFO] [stdout]    |
[INFO] [stdout] 62 |   SetFormatter(String, Box<MessageFormatter>),
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageFormatter`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/internal/task.rs:63:27
[INFO] [stdout]    |
[INFO] [stdout] 63 |   SetDefaultFormatter(Box<MessageFormatter>),
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageFormatter`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/internal/task.rs:80:35
[INFO] [stdout]    |
[INFO] [stdout] 80 |   formatters: HashMap<String, Box<MessageFormatter>>,
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageFormatter`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/internal/task.rs:81:26
[INFO] [stdout]    |
[INFO] [stdout] 81 |   default_formatter: Box<MessageFormatter>,
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageFormatter`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/internal/task.rs:135:63
[INFO] [stdout]     |
[INFO] [stdout] 135 |   fn get_formatter<'a>(&'a self, logger_name:&str) -> &'a Box<MessageFormatter> {
[INFO] [stdout]     |                                                               ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageFormatter`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/internal/comm.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | / lazy_static!(
[INFO] [stdout] 34 | |   static ref GLOBAL_LOGGER_ACCESS: Mutex<Option<Artifact>> = Mutex::new(None);
[INFO] [stdout] 35 | | );
[INFO] [stdout]    | |__^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/internal/comm.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | / lazy_static!(
[INFO] [stdout] 34 | |   static ref GLOBAL_LOGGER_ACCESS: Mutex<Option<Artifact>> = Mutex::new(None);
[INFO] [stdout] 35 | | );
[INFO] [stdout]    | |__^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/file_log.rs:27:48
[INFO] [stdout]    |
[INFO] [stdout] 27 |   logger.set_format(Box::new(FooFormat) as Box<MessageFormatter>);
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageFormatter`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/file_log.rs:30:60
[INFO] [stdout]    |
[INFO] [stdout] 30 |   Logger::set_default_formatter(Box::new(FooFormat) as Box<MessageFormatter>);
[INFO] [stdout]    |                                                            ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageFormatter`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/multi_logger.rs:39:54
[INFO] [stdout]    |
[INFO] [stdout] 39 |   multi_logger.set_format(Box::new(MultiForm) as Box<MessageFormatter>);
[INFO] [stdout]    |                                                      ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageFormatter`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.57s
[INFO] running `Command { std: "docker" "inspect" "a936ddd02a0b2a656ef8c5f249edf7192c9e8c61627537ebe714359535a8d5b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a936ddd02a0b2a656ef8c5f249edf7192c9e8c61627537ebe714359535a8d5b2", kill_on_drop: false }`
[INFO] [stdout] a936ddd02a0b2a656ef8c5f249edf7192c9e8c61627537ebe714359535a8d5b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4e215ba1dbd3df15f002c692987b483730e80a148087dd5efcc27226d1412d3
[INFO] running `Command { std: "docker" "start" "-a" "e4e215ba1dbd3df15f002c692987b483730e80a148087dd5efcc27226d1412d3", kill_on_drop: false }`
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/logger.rs:68:41
[INFO] [stdout]    |
[INFO] [stdout] 68 |   pub fn set_default_formatter(fmtr:Box<MessageFormatter>) {
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageFormatter`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/logger.rs:152:43
[INFO] [stdout]     |
[INFO] [stdout] 152 |   pub fn set_format(&self, formatter: Box<MessageFormatter>) {
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageFormatter`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/format.rs:86:43
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub fn new_basic_format_instance() -> Box<MessageFormatter> {
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageFormatter`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/internal/task.rs:62:28
[INFO] [stdout]    |
[INFO] [stdout] 62 |   SetFormatter(String, Box<MessageFormatter>),
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageFormatter`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/internal/task.rs:63:27
[INFO] [stdout]    |
[INFO] [stdout] 63 |   SetDefaultFormatter(Box<MessageFormatter>),
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageFormatter`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/internal/task.rs:80:35
[INFO] [stdout]    |
[INFO] [stdout] 80 |   formatters: HashMap<String, Box<MessageFormatter>>,
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageFormatter`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/internal/task.rs:81:26
[INFO] [stdout]    |
[INFO] [stdout] 81 |   default_formatter: Box<MessageFormatter>,
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageFormatter`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/internal/task.rs:135:63
[INFO] [stdout]     |
[INFO] [stdout] 135 |   fn get_formatter<'a>(&'a self, logger_name:&str) -> &'a Box<MessageFormatter> {
[INFO] [stdout]     |                                                               ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageFormatter`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling artifact v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/internal/comm.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | / lazy_static!(
[INFO] [stdout] 34 | |   static ref GLOBAL_LOGGER_ACCESS: Mutex<Option<Artifact>> = Mutex::new(None);
[INFO] [stdout] 35 | | );
[INFO] [stdout]    | |__^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/internal/comm.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | / lazy_static!(
[INFO] [stdout] 34 | |   static ref GLOBAL_LOGGER_ACCESS: Mutex<Option<Artifact>> = Mutex::new(None);
[INFO] [stdout] 35 | | );
[INFO] [stdout]    | |__^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/logger.rs:68:41
[INFO] [stdout]    |
[INFO] [stdout] 68 |   pub fn set_default_formatter(fmtr:Box<MessageFormatter>) {
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageFormatter`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/logger.rs:152:43
[INFO] [stdout]     |
[INFO] [stdout] 152 |   pub fn set_format(&self, formatter: Box<MessageFormatter>) {
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageFormatter`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/format.rs:86:43
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub fn new_basic_format_instance() -> Box<MessageFormatter> {
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageFormatter`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/internal/task.rs:62:28
[INFO] [stdout]    |
[INFO] [stdout] 62 |   SetFormatter(String, Box<MessageFormatter>),
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageFormatter`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/internal/task.rs:63:27
[INFO] [stdout]    |
[INFO] [stdout] 63 |   SetDefaultFormatter(Box<MessageFormatter>),
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageFormatter`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/internal/task.rs:80:35
[INFO] [stdout]    |
[INFO] [stdout] 80 |   formatters: HashMap<String, Box<MessageFormatter>>,
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageFormatter`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/internal/task.rs:81:26
[INFO] [stdout]    |
[INFO] [stdout] 81 |   default_formatter: Box<MessageFormatter>,
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageFormatter`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/internal/task.rs:135:63
[INFO] [stdout]     |
[INFO] [stdout] 135 |   fn get_formatter<'a>(&'a self, logger_name:&str) -> &'a Box<MessageFormatter> {
[INFO] [stdout]     |                                                               ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageFormatter`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/internal/comm.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | / lazy_static!(
[INFO] [stdout] 34 | |   static ref GLOBAL_LOGGER_ACCESS: Mutex<Option<Artifact>> = Mutex::new(None);
[INFO] [stdout] 35 | | );
[INFO] [stdout]    | |__^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/internal/comm.rs:33:1
[INFO] [stdout]    |
[INFO] [stdout] 33 | / lazy_static!(
[INFO] [stdout] 34 | |   static ref GLOBAL_LOGGER_ACCESS: Mutex<Option<Artifact>> = Mutex::new(None);
[INFO] [stdout] 35 | | );
[INFO] [stdout]    | |__^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "e4e215ba1dbd3df15f002c692987b483730e80a148087dd5efcc27226d1412d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4e215ba1dbd3df15f002c692987b483730e80a148087dd5efcc27226d1412d3", kill_on_drop: false }`
[INFO] [stdout] e4e215ba1dbd3df15f002c692987b483730e80a148087dd5efcc27226d1412d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b83f2973552a77155426a5248a6d472d77afd2a6dcbe4437a87c7a67425057b2
[INFO] running `Command { std: "docker" "start" "-a" "b83f2973552a77155426a5248a6d472d77afd2a6dcbe4437a87c7a67425057b2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/logger.rs:68:41
[INFO] [stderr]    |
[INFO] [stderr] 68 |   pub fn set_default_formatter(fmtr:Box<MessageFormatter>) {
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageFormatter`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/logger.rs:152:43
[INFO] [stderr]     |
[INFO] [stderr] 152 |   pub fn set_format(&self, formatter: Box<MessageFormatter>) {
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageFormatter`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/format.rs:86:43
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 86 | pub fn new_basic_format_instance() -> Box<MessageFormatter> {
[INFO] [stdout] 
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageFormatter`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/internal/task.rs:62:28
[INFO] [stderr]    |
[INFO] [stderr] 62 |   SetFormatter(String, Box<MessageFormatter>),
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageFormatter`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/internal/task.rs:63:27
[INFO] [stderr]    |
[INFO] [stderr] 63 |   SetDefaultFormatter(Box<MessageFormatter>),
[INFO] [stderr]    |                           ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageFormatter`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/internal/task.rs:80:35
[INFO] [stderr]    |
[INFO] [stderr] 80 |   formatters: HashMap<String, Box<MessageFormatter>>,
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageFormatter`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/internal/task.rs:81:26
[INFO] [stderr]    |
[INFO] [stderr] 81 |   default_formatter: Box<MessageFormatter>,
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageFormatter`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/internal/task.rs:135:63
[INFO] [stderr]     |
[INFO] [stderr] 135 |   fn get_formatter<'a>(&'a self, logger_name:&str) -> &'a Box<MessageFormatter> {
[INFO] [stderr]     |                                                               ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn MessageFormatter`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stderr]   --> src/internal/comm.rs:33:1
[INFO] [stderr]    |
[INFO] [stderr] 33 | / lazy_static!(
[INFO] [stderr] 34 | |   static ref GLOBAL_LOGGER_ACCESS: Mutex<Option<Artifact>> = Mutex::new(None);
[INFO] [stderr] 35 | | );
[INFO] [stderr]    | |__^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stderr]   --> src/internal/comm.rs:33:1
[INFO] [stderr]    |
[INFO] [stderr] 33 | / lazy_static!(
[INFO] [stderr] 34 | |   static ref GLOBAL_LOGGER_ACCESS: Mutex<Option<Artifact>> = Mutex::new(None);
[INFO] [stderr] 35 | | );
[INFO] [stderr]    | |__^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `lazy_static` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `artifact` (lib) generated 10 warnings
[INFO] [stderr] warning: `artifact` (lib test) generated 10 warnings (10 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.30s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/artifact-78f449d6dea5427d)
[INFO] [stderr]    Doc-tests artifact
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b83f2973552a77155426a5248a6d472d77afd2a6dcbe4437a87c7a67425057b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b83f2973552a77155426a5248a6d472d77afd2a6dcbe4437a87c7a67425057b2", kill_on_drop: false }`
[INFO] [stdout] b83f2973552a77155426a5248a6d472d77afd2a6dcbe4437a87c7a67425057b2
